As soccer becomes more cerebral, more stylish and more tactical, there is a slight shift away from the old management profile of the real football man, the ex-pro who commands the respect of his team by reputation of a not-too-distant career on the pitch.
But ex-players still loom large in management and coaching. For every Mourinho there is a Guardiola, for every Wenger a McCoist.
After shipping three goals to Fulham, bitter Arsenal fans may have wished assistant manager Steve Bould could take to the field to solve their defensive problems in a more hands-on way.
But who are the coaches who really could be up to joining the fray?